PHA
- Amphoe Pha Khao
- Amphoe Phu Pha Man
- Amphoe Tha Wang Pha
- Amphoe Thong Pha Phum
- Anime Syuukan DX! Mi-Pha-Pu
- Cẩm Phả
- Hso Khan Pha
- Jazze Pha
- Jazze Pha production discography
- Ko Pha Ngan
- PHA Foundation
- Parks and Horticulture Authority
- Partnership for a Healthier America
- Peripheral Heart Action Training
- Pha (Indic)
- Pha Lai Power Station
- Pha Oudom District
- Pha Taem
- Pha Terrell
- Pha That Luang
- Philadelphia Housing Authority
- Phytohaemagglutinin
- Polyhydroxyalkanoates
- Potentially hazardous asteroid
- Prince Hall affiliated
- Private Hospitals Association (Jordan)
- Process hazard analysis
- Pseudohypoaldosteronism
- Pulmonary Hypertension Association
- Pulse-height analyzer
- Puntland Highway Authority
- Than Sadet–Ko Pha-ngan National Park